US7617011B2 - Automation system - Google Patents

Automation system Download PDF

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Publication number
US7617011B2
US7617011B2 US11/795,473 US79547306A US7617011B2 US 7617011 B2 US7617011 B2 US 7617011B2 US 79547306 A US79547306 A US 79547306A US 7617011 B2 US7617011 B2 US 7617011B2
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Prior art keywords
measured
data transmission
network
automation system
transmission network
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US20080154388A1 (en
Inventor
Dieter Kramer
Gerhard Lang
Götz Neumann
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Siemens AG
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Siemens AG
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by the network communication
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Program-control systems
    • G05B19/02—Program-control systems electric
    • G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24175—Redundant communication channel, if one fails use the other
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25014—Fieldbus general name of bus connected to machines, detectors, actuators
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25217—Configure communication protocol, select between several
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25428—Field device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31183—Token ring
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • the invention relates to an automation system having at least one measured-value detection device which is connected to an automated process, and having at least one field device, which is connected to the at least one measured-value detection device, and a host computer which is connected to the at least one field device.
  • An automation system such as this is known, for example, from the “SICAM HV—Digitale hoschalter Kunststoffung (Digital Breaker Control DBC)”, Information Sheet Order No. E5001-U113-A230/1 from Siemens AG.
  • the Information Sheet discloses, specifically an automation system having a plurality of bus levels for an automated process, in this case relating to a power supply system.
  • Converters as measured-value detection devices and switch controls, are connected via a so-called process bus to field devices in the form of process controllers and protective devices.
  • the field devices are in turn connected via a so-called field bus to a local controller, as a host computer.
  • the measured data detected by the converters are normally transmitted to the field devices via the process bus.
  • the field devices can receive control commands via the field bus from the host computer and, in the opposite direction, can pass on information about the automated process to the local controller, for example in order to display information on a display system in a control panel.
  • the invention is based on the object of simplifying even further a design of an automation system of this generic type.
  • an automation system of the type mentioned above in which the at least one measured-value detection device, the at least one field device and the host computer are connected to a common data transmission network which is designed to transmit digital measured data from the at least one measured-value detection device to the at least one field device using a first communication protocol, and to transmit digital control data between the at least one field device and the host computer using a second communication protocol.
  • the automation system according to the invention now has only one data transmission network, to which all of the components of the automation system are connected, instead of two mutually independent bus systems. In order to allow both digital measured data and digital control data to be transmitted via the data transmission network, it is suitable for transmitting the respective data using different communication protocols. Since there is only one network, to which all of the components of the automation system are connected, this further simplifies the design of the automation system.
  • the data transmission network is a Real-Time Ethernet network. Because of its high transmission rates and predictable transmission durations, the use of a Real-Time Ethernet network allows real time applications to be carried out in the automation system. Furthermore, the Real-Time Ethernet network also allows synchronization of measured data and control commands that are passed to the data transmission network.
  • actuator devices are also connected to the data transmission network, and are connected on the output side to the automated process.
  • actuators such as circuit breaker controllers in the common data transmission network.
  • a further advantageous embodiment of the automation system according to the invention provides for the data transmission network to have a ring structure.
  • a network structure such as this generally corresponds best to the design and local characteristics of an automation system.
  • the data transmission network comprises at least two mutually redundant network elements. This allows the availability and reliability of the installation to be further increased.
  • One advantageous embodiment of the automation system according to the invention furthermore provides for the at least one measured-value detection device to have an analog/digital converter and a network connecting device for connection to the data transmission network. This allows measured-value detection devices to be connected to the data transmission network particularly easily, and without additional components.
  • one alternative embodiment provides for the at least one measured-value detection device for conversion of the measured data to the first communication protocol to be connected to the conversion device which is connected on the output side to the data transmission network.
  • a further advantageous embodiment of the automation system provides for the at least one field device and/or the at least one measured-value detection device to each be connected via a network connecting device to the data transmission network, with the network connecting device having one and only one internal port, which is connected to the at least one field device or to the measured-value detection device and two, and only two, external ports which are connected to the data transmission network.
  • Network connecting devices such as these such as those known from DE 102 60 806 A1 ensure a simple capability to connect the field devices and/or the measured-value detection device to the data transmission network.
  • FIGURE provides a schematic illustration of the design of an automation system.
  • FIGURE shows an automated process 1 , which is not specified in any more detail, illustrated in a very highly schematic form.
  • An automated process 1 such as this may, for example, be a chemical, technical or biotechnological process, an industrial manufacturing process or else a process for transmitting and distributing water, gas or electrical power.
  • the process 1 is a process for transmitting and distributing electrical power, for example an electrical power transmission system.
  • actuator devices 11 such as switch controllers
  • measured-value detection devices 2 a to 2 c are connected to the process.
  • measured-value detection devices may be sensors as well as conventional current transformers or voltage transformers, for example toroidal-core transformers, or so-called unconventional converters, such as uniform-field coils or optical transducers.
  • the measured-value detection devices 2 a to 2 c are connected to the process 1 in a manner corresponding to their embodiment; this is indicated by a dashed line in the FIGURE.
  • the measured-value detection devices 2 a to 2 c are also connected directly or indirectly to a data transmission network 3 , which comprises two mutually redundant network elements 3 a and 3 b , of which the network element 3 b is illustrated by dashed lines in the FIGURE, for the sake of clarity.
  • the network elements 3 a , 3 b are networks with a ring structure; alternatively, of course, a conventional star structure can also be used.
  • the two network elements 3 a and 3 b are connected to one another via a switch 4 , so that data can be transmitted from one network element 3 a to the other network element 3 b , and vice versa.
  • the data transmission network 3 is preferably an Ethernet network in the form of a so-called Real-Time Ethernet network. An IEC international working group are currently working on standardization of this Ethernet standard.
  • Field devices 5 and 6 are also connected to the data transmission network 3 .
  • the field device 5 may be an electrical protective device, and the field device 6 a process controller.
  • the data transmission network 3 is connected to a host computer 7 which, for example, may be a station host computer or a central host computer in a so-called control center.
  • Measured values which describe the process 1 are detected via the measured-value detection devices 2 a to 2 c , with this being, for example, current or voltage measured values.
  • the measured-value detection devices 2 a and 2 c already have an analog/digital conversion device and a device for network connection.
  • the measured-value detection devices 2 a and 2 c can therefore be connected directly to the data transmission network 3 , and supply digital measured data corresponding to the recorded measured values to the data transmission network 3 using a first communication protocol.
  • this first communication protocol may be the IEC 61850-9-2 communication protocol, by means of which the IEC has defined the transmission of digital sample values in systems which are designed in accordance with IEC Standard 61850.
  • the measured-value detection devices 2 b have no integrated analog/digital converter and no network connection, so that they first of all transmit their recorded measured values to a conversion device 8 , also referred to as a so-called “merging unit”, which then carries out analog/digital conversion and conversion of the measured values to digital measured data, using the first communication protocol that is used in the data transmission network 3 .
  • the conversion device has a network connection via which it can pass measured data directly to the data transmission network 3 .
  • the digital measured data is transmitted in the data transmission network 3 to the field devices 5 and 6 , which carry out automation and control functions on the basis of the transmitted measured data.
  • the field devices 5 and 6 can in turn pass control data to the data transmission network 3 , with this data being transmitted using a second communication protocol for example the IEC 61850-8-1 communication protocol.
  • the IEC has defined the transmission of digital monitoring data, control data and control center data for systems which comply with IEC-61850, referred to in a summarized form here as control data.
  • the digital control data can be transmitted on the one hand to the host computer 7 , which can carry out further processing, archiving and conditioning of the data.
  • digital control data can be transmitted to the actuator devices, such as circuit breaker controllers, which can in turn act on the process.
  • the field devices 5 and 6 can therefore directly influence the process 1 via the data transmission network 3 .
  • time synchronization of the individual data items transmitted via the data transmission network 3 often plays a very important role.
  • a separate synchronization network generally had to be set up for this purpose, which distributed a clock generated by a central timer sender, for example one pulse per second, to the individual components of the automation system, thus allowing accurate time stamping of the transmitted and received digital data.
  • the Real-Time Ethernet network standard does not require any such separate synchronization network.
  • appropriate controllers or specifically designed integrated circuit modules in the form of ASICs application specific integrated circuit
  • FPGAs field programmable gate array
  • EPLDS electrically programmable logic device
  • the network connection of the field devices 5 and 6 may, for example have a network connecting device with two and only two external ports 91 , 9 b , by means of which the field device is connected to the data transmission network 3 .
  • the network connecting device may have one and only one internal port 10 , by means of which it is connected to the appropriate field device.
  • the ports 9 a , 9 b and 10 are connected to one another via an appropriate hard-wired circuit which, for example is described in German Application DE 102 60 806 A1.
  • a network connecting device such as this at the same time provides a switch functionality, so that received and transmitted data can be transmitted without any time delay between the individual ports of network connecting device, as a result of which no relevant time loss occurs during the data transmission in the data transmission network 3 .
  • Appropriate network connecting devices may be provided in the measured-value detection devices 2 a , 2 b 2 c and/or in the actuator devices 11 .

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quality & Reliability (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Small-Scale Networks (AREA)
US11/795,473 2005-01-17 2006-01-06 Automation system Expired - Lifetime US7617011B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102005002743.1 2005-01-17
DE102005002743A DE102005002743A1 (de) 2005-01-17 2005-01-17 Automatisierungssystem
PCT/EP2006/050063 WO2006074981A1 (de) 2005-01-17 2006-01-06 Automatisierungssystem

Publications (2)

Publication Number Publication Date
US20080154388A1 US20080154388A1 (en) 2008-06-26
US7617011B2 true US7617011B2 (en) 2009-11-10

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US11/795,473 Expired - Lifetime US7617011B2 (en) 2005-01-17 2006-01-06 Automation system

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US (1) US7617011B2 (de)
EP (1) EP1851597B1 (de)
CN (1) CN101107578B (de)
DE (1) DE102005002743A1 (de)
WO (1) WO2006074981A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080313629A1 (en) * 2006-12-29 2008-12-18 Codewrights Gmbh Method for installation of objects for a component-based management system for field devices of automation technology

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WO2006128394A1 (de) * 2005-06-01 2006-12-07 Siemens Aktiengesellschaft Universelles mess- oder schutzgerät
ATE441137T1 (de) * 2006-07-25 2009-09-15 Siemens Ag Mit mindestens zwei protokollen arbeitendes feldgerät
EP2112741A1 (de) * 2008-04-22 2009-10-28 ABB Schweiz AG Leistungselektronikregler und Kommunikationsverfahren
US20100082844A1 (en) * 2008-09-30 2010-04-01 Abb Research Ltd. Field device controller adapter
EP2273644A1 (de) 2009-07-07 2011-01-12 ABB Research Ltd. Automatisierungssystem für eine Verteilerstation mit Schutzfunktionen
US9046414B2 (en) 2012-09-21 2015-06-02 Google Inc. Selectable lens button for a hazard detector and method therefor
DE102013218643A1 (de) * 2013-09-17 2015-03-19 Siemens Aktiengesellschaft Steuereinrichtung und Datenübertragungsanordnung mit Steuereinrichtung zum Steuern mindestens eines Schalterfernantriebes für mindestens einen Trenn- und/oder Lasttrennschalter in einem elektrischen Energieversorgungsnetz

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Publication number Priority date Publication date Assignee Title
US20080313629A1 (en) * 2006-12-29 2008-12-18 Codewrights Gmbh Method for installation of objects for a component-based management system for field devices of automation technology

Also Published As

Publication number Publication date
US20080154388A1 (en) 2008-06-26
CN101107578A (zh) 2008-01-16
HK1109466A1 (zh) 2008-06-06
CN101107578B (zh) 2010-05-19
DE102005002743A1 (de) 2006-07-27
WO2006074981A1 (de) 2006-07-20
EP1851597B1 (de) 2013-08-28
EP1851597A1 (de) 2007-11-07

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